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Submission #240084

# Submission time Handle Problem Language Result Execution time Memory
240084 2020-06-18T02:05:16 Z neihcr7j Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 288 ms 166392 KB 
#include<bits/stdc++.h>

#define oo 1000000000
#define maxm 1500000
#define maxn 50005
#define block 250

using namespace std;
typedef long long ll;

int n, m;
int b[maxn], p[maxn];

vector < pair < int, int > > g[maxm];

int node(int u, int x) {return x * n + u;}
int inode(int x) {return x % n;}
int dnode(int x) {return (x - inode(x)) / n;}

int dist[maxm];

int dijkstra() {
  priority_queue < pair < int, int > > p;

  fill(dist, dist + maxm, oo);

  dist[b[0]] = 0;
  p.push({0, b[0]});

  while (!p.empty()) {
    int u = p.top().second; p.pop();

    for (auto i : g[u]) {
      int v = i.first, w = i.second;

      if (dist[v] > dist[u] + w) {
       // cerr << u << ' ' << v << ' ' << w << '\n';
        dist[v] = dist[u] + w;
        p.push({-dist[v], v});
      }
    }
  }

  //for (int i = 0; i < 25; ++i)
    //cerr << i << ' ' << dist[i] << '\n';
  return (dist[b[1]] != oo ? dist[b[1]] : -1);
}

int main(){

  #define TASK "ABC"
//	freopen(TASK".inp", "r", stdin); freopen(TASK".out", "w", stdout);
  ios_base::sync_with_stdio(0);

  cin >> n >> m;

  for (int i = 0; i < m; ++i)
    cin >> b[i] >> p[i];

  for (int j = 1; j <= block; ++j)
    for (int i = j; i < n; ++i)
      g[node(i, j)].push_back({node(i - j, j), 1});

  for (int j = 1; j <= block; ++j)
    for (int i = 0; i + j < n; ++i)
      g[node(i, j)].push_back({node(i + j, j), 1});

  for (int i = 0; i < n; ++i)
    for (int j = 1; j <= block; ++j)
      g[node(i, j)].push_back({i, 0});

  for (int i = 0; i < m; ++i)
    if (p[i] <= block)
      g[b[i]].push_back({node(b[i], p[i]), 0});


  for (int i = 0; i < m; ++i)
    if (p[i] > block)
      for (int j = b[i] % p[i]; j < n; j += p[i])
        if (i != j)
          g[b[i]].push_back({j, abs(j - b[i]) / p[i]});

  //for (int i = 0; i < 10; ++i)
   // for (auto j : g[i])
   //   cerr << i << ' ' << j.first << ' ' << j.second << '\n';
  cout << dijkstra();

  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 29 ms 41472 KB Output is correct
3 Correct 34 ms 41472 KB Output is correct
4 Correct 30 ms 41472 KB Output is correct
5 Correct 32 ms 41540 KB Output is correct
6 Correct 29 ms 41472 KB Output is correct
7 Correct 30 ms 41472 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41600 KB Output is correct
2 Correct 30 ms 41468 KB Output is correct
3 Correct 30 ms 41472 KB Output is correct
4 Correct 31 ms 41464 KB Output is correct
5 Correct 32 ms 41472 KB Output is correct
6 Correct 33 ms 41472 KB Output is correct
7 Correct 35 ms 41472 KB Output is correct
8 Correct 32 ms 41728 KB Output is correct
9 Correct 34 ms 41856 KB Output is correct
10 Correct 35 ms 42368 KB Output is correct
11 Correct 33 ms 42368 KB Output is correct
12 Correct 34 ms 42368 KB Output is correct
13 Correct 32 ms 42368 KB Output is correct
14 Correct 35 ms 42496 KB Output is correct
15 Correct 33 ms 42368 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41472 KB Output is correct
2 Correct 29 ms 41472 KB Output is correct
3 Correct 33 ms 41472 KB Output is correct
4 Correct 29 ms 41472 KB Output is correct
5 Correct 29 ms 41600 KB Output is correct
6 Correct 34 ms 41472 KB Output is correct
7 Correct 33 ms 41472 KB Output is correct
8 Correct 34 ms 41728 KB Output is correct
9 Correct 31 ms 41984 KB Output is correct
10 Correct 36 ms 42240 KB Output is correct
11 Correct 34 ms 42368 KB Output is correct
12 Correct 33 ms 42368 KB Output is correct
13 Correct 32 ms 42368 KB Output is correct
14 Correct 35 ms 42368 KB Output is correct
15 Correct 37 ms 42368 KB Output is correct
16 Correct 38 ms 43256 KB Output is correct
17 Correct 67 ms 49480 KB Output is correct
18 Correct 131 ms 61560 KB Output is correct
19 Correct 149 ms 64740 KB Output is correct
20 Correct 143 ms 64632 KB Output is correct
21 Correct 45 ms 45304 KB Output is correct
22 Correct 125 ms 61944 KB Output is correct
23 Correct 117 ms 59768 KB Output is correct
24 Correct 141 ms 63480 KB Output is correct
25 Correct 167 ms 64660 KB Output is correct
26 Correct 176 ms 64736 KB Output is correct
27 Correct 170 ms 64632 KB Output is correct
28 Correct 144 ms 64632 KB Output is correct
29 Correct 198 ms 64668 KB Output is correct
30 Correct 190 ms 64820 KB Output is correct
31 Correct 190 ms 64764 KB Output is correct
32 Correct 190 ms 64760 KB Output is correct
33 Correct 186 ms 64760 KB Output is correct
34 Correct 190 ms 64760 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 41464 KB Output is correct
2 Correct 29 ms 41472 KB Output is correct
3 Correct 31 ms 41472 KB Output is correct
4 Correct 30 ms 41472 KB Output is correct
5 Correct 29 ms 41472 KB Output is correct
6 Correct 34 ms 41600 KB Output is correct
7 Correct 34 ms 41464 KB Output is correct
8 Correct 30 ms 41728 KB Output is correct
9 Correct 37 ms 41856 KB Output is correct
10 Correct 34 ms 42368 KB Output is correct
11 Correct 33 ms 42368 KB Output is correct
12 Correct 37 ms 42496 KB Output is correct
13 Correct 32 ms 42368 KB Output is correct
14 Correct 33 ms 42368 KB Output is correct
15 Correct 34 ms 42360 KB Output is correct
16 Correct 36 ms 43136 KB Output is correct
17 Correct 67 ms 49400 KB Output is correct
18 Correct 128 ms 61608 KB Output is correct
19 Correct 159 ms 64632 KB Output is correct
20 Correct 141 ms 64632 KB Output is correct
21 Correct 49 ms 45304 KB Output is correct
22 Correct 123 ms 61944 KB Output is correct
23 Correct 122 ms 59768 KB Output is correct
24 Correct 138 ms 63480 KB Output is correct
25 Correct 144 ms 64888 KB Output is correct
26 Correct 172 ms 64764 KB Output is correct
27 Correct 170 ms 64760 KB Output is correct
28 Correct 151 ms 64804 KB Output is correct
29 Correct 178 ms 64760 KB Output is correct
30 Correct 179 ms 64760 KB Output is correct
31 Correct 176 ms 64636 KB Output is correct
32 Correct 173 ms 64632 KB Output is correct
33 Correct 205 ms 64760 KB Output is correct
34 Correct 192 ms 64632 KB Output is correct
35 Correct 142 ms 59000 KB Output is correct
36 Correct 96 ms 53752 KB Output is correct
37 Correct 211 ms 65144 KB Output is correct
38 Correct 216 ms 66040 KB Output is correct
39 Correct 211 ms 66040 KB Output is correct
40 Correct 209 ms 66248 KB Output is correct
41 Correct 215 ms 66168 KB Output is correct
42 Correct 200 ms 65400 KB Output is correct
43 Correct 185 ms 65400 KB Output is correct
44 Correct 166 ms 65412 KB Output is correct
45 Correct 280 ms 65784 KB Output is correct
46 Correct 283 ms 65784 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 41472 KB Output is correct
2 Correct 31 ms 41472 KB Output is correct
3 Correct 32 ms 41472 KB Output is correct
4 Correct 30 ms 41472 KB Output is correct
5 Correct 28 ms 41472 KB Output is correct
6 Correct 31 ms 41472 KB Output is correct
7 Correct 30 ms 41472 KB Output is correct
8 Correct 30 ms 41728 KB Output is correct
9 Correct 31 ms 41848 KB Output is correct
10 Correct 32 ms 42240 KB Output is correct
11 Correct 34 ms 42368 KB Output is correct
12 Correct 32 ms 42368 KB Output is correct
13 Correct 32 ms 42368 KB Output is correct
14 Correct 33 ms 42368 KB Output is correct
15 Correct 33 ms 42360 KB Output is correct
16 Correct 36 ms 43128 KB Output is correct
17 Correct 68 ms 49528 KB Output is correct
18 Correct 130 ms 61560 KB Output is correct
19 Correct 138 ms 64632 KB Output is correct
20 Correct 139 ms 64760 KB Output is correct
21 Correct 44 ms 45176 KB Output is correct
22 Correct 135 ms 61944 KB Output is correct
23 Correct 113 ms 59904 KB Output is correct
24 Correct 135 ms 63484 KB Output is correct
25 Correct 148 ms 64760 KB Output is correct
26 Correct 192 ms 64632 KB Output is correct
27 Correct 176 ms 64760 KB Output is correct
28 Correct 146 ms 64632 KB Output is correct
29 Correct 175 ms 64784 KB Output is correct
30 Correct 190 ms 64632 KB Output is correct
31 Correct 171 ms 64632 KB Output is correct
32 Correct 178 ms 64632 KB Output is correct
33 Correct 203 ms 64760 KB Output is correct
34 Correct 185 ms 64632 KB Output is correct
35 Correct 149 ms 58876 KB Output is correct
36 Correct 95 ms 53704 KB Output is correct
37 Correct 206 ms 65148 KB Output is correct
38 Correct 208 ms 66172 KB Output is correct
39 Correct 206 ms 66040 KB Output is correct
40 Correct 236 ms 66040 KB Output is correct
41 Correct 218 ms 66168 KB Output is correct
42 Correct 179 ms 65400 KB Output is correct
43 Correct 174 ms 65528 KB Output is correct
44 Correct 154 ms 65416 KB Output is correct
45 Correct 275 ms 65744 KB Output is correct
46 Correct 288 ms 65760 KB Output is correct
47 Runtime error 193 ms 166392 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -